FAIRMol

TC409

Pose ID 5620 Compound 708 Pose 202

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T09
L. major DHFR-TS L. major
Ligand TC409

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak SASA cached
Weak or marginal quality
Binding strong Geometry medium Native strong SASA done
Strain ΔE
28.5 kcal/mol
Protein clashes
0
Internal clashes
4
Native overlap
contact recall 0.62, Jaccard 0.52, H-bond role recall 0.33
Burial
90%
Hydrophobic fit
80%
Reason: no major geometry red flags detected
4 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.101 kcal/mol/HA) ✓ Good fit quality (FQ -10.14) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (90% SASA buried) ✓ Lipophilic contacts well-matched (80%) ✗ High strain energy (28.5 kcal/mol) ✗ Geometry warnings
Score
-28.617
kcal/mol
LE
-1.101
kcal/mol/HA
Fit Quality
-10.14
FQ (Leeson)
HAC
26
heavy atoms
MW
366
Da
LogP
2.92
cLogP
Strain ΔE
28.5 kcal/mol
SASA buried
90%
Lipo contact
80% BSA apolar/total
SASA unbound
632 Ų
Apolar buried
460 Ų

Interaction summary

HB 6 HY 20 PI 3 CLASH 0
Final rank0.881Score-28.617
Inter norm-1.092Intra norm-0.009
Top1000noExcludedno
Contacts17H-bonds6
Artifact reasongeometry warning; 4 clashes; 1 protein clash; moderate strain Δ 28.5
Residues
NDP301 ALA32 ARG48 ASP52 GLY157 ILE182 ILE45 MET53 PHE56 SER86 THR83 TRP47 TYR162 VAL156 VAL31 VAL49 VAL87

Protein summary

511 residues
Protein targetT09Atoms8170
Residues511Chains2
Residue summaryLEU:1064; ARG:840; LYS:572; GLU:570; VAL:528; PHE:460; ILE:456; ALA:440; PRO:420; THR:406; TYR:357; ASP:312; GLN:289; ASN:238; SER:231; GLY:224

Receptor context

1 kept / 0 excluded
Receptor context filtering: interactions and SASA are computed against protein atoms plus allowed cofactors/ions. Native ligand-like HETATM partners are excluded from scoring.
Kept context 1 Excluded HETATM 0
Kept cofactors / ions
A:NDP301

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name3CL9Contacts21
PoseOpen native poseHB0
IFP residues
NDP301 ALA32 ARG97 ASP52 GLY157 ILE45 LEU94 LYS57 MET53 PHE55 PHE56 PHE91 PRO88 SER86 THR180 THR83 TYR162 VAL156 VAL30 VAL31 VAL87
Current overlap13Native recall0.62
Jaccard0.52RMSD-
HB strict1Strict recall0.14
HB same residue+role2HB role recall0.33
HB same residue2HB residue recall0.33

HB · H-bonds

Mode: strict. Count shows atom-level H-bonds; unique residues in summary: 0.

PI · π–π interactions

Native π–π recall is disabled because no explicit native π–π reference was stored.

HY · Hydrophobic contacts

CLASH · Clashes

No clash · clashes detected for this pose.

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
253 0.19807840433788065 -0.837071 -18.4969 1 14 0 0.00 0.00 - no Open
231 0.5272779714366282 -0.937238 -23.9222 2 18 1 0.05 0.00 - no Open
237 0.6354838805780988 -1.25219 -31.6245 9 16 0 0.00 0.00 - no Open
284 0.7823962866555599 -1.09244 -27.8173 6 16 0 0.00 0.00 - no Open
202 0.8808999213169224 -1.09214 -28.6167 6 17 13 0.62 0.33 - no Current
241 1.4294098967066227 -1.27784 -31.7113 8 15 0 0.00 0.00 - no Open
278 1.5706253236876964 -1.06354 -25.3758 6 13 0 0.00 0.00 - no Open
169 2.374618991612418 -0.91184 -21.2224 16 18 0 0.00 0.00 - no Open
340 2.703325505043773 -0.877203 -22.0583 8 12 0 0.00 0.00 - no Open
282 2.7306916933281316 -0.8242 -20.8388 8 11 0 0.00 0.00 - no Open

Molecular metrics

RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
✓ Metrics available

Scoring & efficiency

Docking score -28.617kcal/mol
Ligand efficiency (LE) -1.1006kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.141
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 26HA

Physicochemical properties

Molecular weight 366.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.92
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 28.47kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 47.50kcal/mol
Minimised FF energy 19.02kcal/mol

SASA & burial

✓ computed
SASA (unbound) 631.6Ų
Total solvent-accessible surface area of free ligand
BSA total 571.8Ų
Buried surface area upon binding
BSA apolar 460.2Ų
Hydrophobic contacts buried
BSA polar 111.6Ų
Polar contacts buried
Fraction buried 90.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 80.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3276.9Ų
SASA_nonpolar(complex) − SASA_nonpolar(receptor) − SASA_nonpolar(ligand free). Negative = non-polar surface buried upon binding. Requires full polarity-decomposed SASA computation.
Receptor non-polar SASA 4428.5Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1669.5Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)